Hello
Here are some steps you can try:
Force device to shutdown and restart: Press and hold the power button for 10 seconds and wait another 10 seconds before turning it on again.
Install Windows Update: Click on Windows Start > Go to Settings >
Update and Security > Check for Updates.
Remove PIN and add it again: Click On Windows Start > Settings > Click Accounts > Select Login Options > Click PIN > Click the Delete button. To completely remove the PIN, enter your Microsoft Account password. Once deleted successfully, try to add the PIN code again.
Add a new PIN if no PIN is currently added: Click On Windows Start > Settings > Accounts > Sign in options > Set up Windows Hello Pin.
Reset your PIN when you aren’t signed in to Windows: If you see “I forgot my PIN”, select it and follow the instructions to reset your PIN. If there are multiple accounts on the device, choose the one you need to reset.
Switch to a local account and add a PIN code.
Check if CNG Key Isolation service (KeyIso) is running.